<header class="main-header">

    <!-- Logo -->
    <a class="logo" href="/">
        <img src="/images/logo.png" alt="">
    </a>

    <!-- Header Navbar -->
    <nav class="navbar navbar-static-top" role="navigation">
        <!-- Sidebar toggle button-->
        <a href="#" class="sidebar-toggle" data-toggle="push-menu" role="button">
        <span class="sr-only">Toggle navigation</span>
        </a>
    </nav>
</header>